Emergency
F.62 on Glow-worm MicraCom

Your boiler has detected that the gas valve is failing to close properly when it should, which creates a safety risk.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

What the manual says

Manufacturer manual

Fault: Delayed shutdown of the fuel control valve

From this model's manual
Verified against the Glow Worm/Glow Worm Micracom installation & service manual, page 46.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

F.61View →F.63View →F.64View →

All 89 fault codes on the MicraCom

Seeing a different code? Every code this model can display, in one place.

d.00d.01d.02d.05d.06d.09d.10d.11d.14d.20d.21d.22d.36d.40d.43d.47d.50d.51d.60d.61d.64d.68d.69d.71d.80d.81d.82d.83d.85d.88d.90d.91d.94d.96d.149d.191d.192F.00F.01F.10F.13F.20F.22F.23F.24F.25F.27F.28F.29F.32F.33F.46F.49F.61F.63F.64F.65F.67F.68F.70F.71F.72F.73F.74F.75F.76F.77F.78F.83F.84F.85F.86F.87F.88F.89F.97S.04S.06S.07S.11S.16S.17S.20S.46S.58S.76S.88S.96

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